Finding the Fourth Proportional to 2,825,258,128.71, 4,238,151,190.53 and 833,302,128.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825,258,128.71 : 4,238,151,190.53 = 833,302,128.97 : x
2. Step 2: Convert to fraction form
   2,825,258,128.71/4,238,151,190.53 = 833,302,128.97/x
3. Step 3: Cross multiply
   2,825,258,128.71x = 4,238,151,190.53 × 833,302,128.97
4. Step 4: Simplify right side
   2,825,258,128.71x = 3,531,660,409,965,389,312
5. Step 5: Solve for x
   x = 3,531,660,409,965,389,312/2,825,258,128.71
6. Step 6: Final answer
   x = 1,250,031,058.78